Answer:
Pulmonary embolism.
Explanation:
In the above scenario, this could be pulmonary embolism case because Mr. Jackson's condition and their symptoms shown towards the pulmonary embolism.
In pulmonary embolism, an artery present in the lungs block by a substance that can be transfer from any part of body through blood circulation and stuck in the artery of lungs and due to this shortness of breath, sever chest pain during coughing or breathing in.
So, the above condition of Mr. Jackson shows pulmonary embolism.
This is known as double helix. Nucleotides each have three parts: phosphate, sugar molecule<span>, and one of four </span>bases<span>. The </span>bases<span> include: A, (adenine), g (guanine), t (thymine), c (cytosine). ... </span>Explain why complementary base pairing is necessary to maintain the double helix shape of the DNA molecule<span>.</span>
The correct answer is a - cerebrum
The cerebrum, also called cortex is the largest part of the brain. It is divided into four sections, called lobes and these are the frontal lobe, the parietal lobe, occipital lobe and temporal lobe.
Front lobe helps in speech, reasoning, planning, movement , emotions and problem solving.
parietal lobe helps in orientation, and perception of stimuli and movement.
Occipital lobe helps in visual processing.
Temporal lobe helps in memory, speech as well as perception and recognition of auditory stimuli.

Pollen grain is odd one among all the other three. Pollen grain in a male gametophytic structure. Whereas all the other three are found inside ovule (nucellus, micropyle and embryo sac).
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